Table 1.
Demographics of Healthy Controls (HC) and Schizophrenia Patients
| HC Subjects, N = 22 | Schizophrenia Patients, N = 26 | |||||||
|---|---|---|---|---|---|---|---|---|
| Variable | Mean | SD | Minimum | Maximum | Mean | SD | Minimum | Maximum |
| Age (y)* | 42.82 | 13.12 | 20.65 | 61.04 | 44.51 | 12.26 | 19.72 | 60.64 |
| Education (y)** | 16.39 | 1.99 | 12.50 | 20.00 | 13.19 | 1.67 | 9.00 | 16.00 |
| Socioeconomic status—subject*** | 25.5 | 8.8 | 11.0 | 44.0 | 46.3 | 10.3 | 33.0 | 65.0 |
| Socioeconomic status—parent**** | 25.6 | 15.8 | 11.0 | 58.0 | 34.8 | 15.5 | 11.0 | 63.0 |
| PANSS | ||||||||
| Positive | — | — | — | — | 15.0 | 4.5 | 7.0 | 26.0 |
| Negative | — | — | — | — | 15.1 | 4.4 | 8.0 | 23.0 |
| General | — | — | — | — | 29.2 | 5.2 | 22.0 | 45.0 |
| SAPS | ||||||||
| Auditory Hallucinations | — | — | — | — | 2.0 | 1.9 | 0.0 | 5.0 |
| SANS | ||||||||
| Global avolition and apathy | — | — | — | — | 2.3 | 0.7 | 1.0 | 4.0 |
| Handedness | 22 | Right | 0 | Left | 26 | Right | 0 | Left |
| 0 | Ambidextrous | — | 0 | Ambidextrous | — | |||
| Gender | 15 | Men | 7 | Women | 20 | Men | 6 | Women |
| Antipsychotic type | — | — | — | — | 20 | Second generation | ||
| — | — | — | — | 6 | First generation | |||
| — | — | — | — | 0 | None | |||
Note: PANSS, Positive and Negative Syndrome Scale; SAPS, Scale for Positive Symptoms; SANS, Scale for Negative Symptoms. *HC vs patients, P = .65; **HC vs patients, P < .001; ***HC vs patients, P < .001; ****HC vs patients, P = .05.